HT7333

Low Dropout (LDO) Regulator

The HT7333 is a low dropout (ldo) regulator from UMW. View the full HT7333 datasheet below including electrical characteristics, absolute maximum ratings.

Manufacturer

UMW

Overview

Part: HT73xx-A series — UMW

Type: Low Power Consumption LDO (Low Dropout) Voltage Regulator

Description: The HT73xx-A series are three-terminal, low power, high voltage CMOS linear regulators featuring an ultra-low quiescent current of 2.0 μA (typ.) and supporting input voltages up to 12V, with fixed output voltages ranging from 2.5V to 5.0V.

Operating Conditions:

Supply voltage: 3.5–12 V
Operating temperature: -25 to 70 °C
Output voltage range: 2.5V to 5.0V

Absolute Maximum Ratings:

Max supply voltage: 15 V
Max junction temperature: 125 °C

Key Specs:

Output voltage accuracy: ±3%
Quiescent current: 2 μA (typ.), 3 μA (max) (V IN =3.5V, No Load)
Output voltage (HT7350-A): 5.0 V (typ.) (V IN =6V, I OUT =40mA)
Output current (HT7350-A): 250 mA (min) (V IN =6V, I OUT ≥4.5V)
Dropout voltage (HT7350-A): 60 mV (typ.) (I OUT =40mA)
Load regulation: 45 mV (typ.), 90 mV (max) (V IN =3.5V, 1mA≤I OUT ≤60mA)
Line regulation: 0.2 %/V (typ.), 0.3 %/V (max) (3.5V≤V IN ≤12V, I OUT =40mA)
Temperature coefficient: ±0.7 mV/°C (typ.) (V IN =3.5V, I OUT =40mA, 0°C≤T A ≤85°C)

Features:

Ultra low quiescent current: 2.0μA (typ.)
High input voltage (up to 12V)
Output voltage accuracy: tolerance ±3%
Low dropout voltage
Package form: SOT-23, SOT-89, TO-92

Applications:

Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for LAN cards
Wireless Communication equipment
Audio/Video equipment

Package:

SOT-23
SOT-89
TO-92

Features

Ultra low quiescent current: 2.0μA (typ.)
High input voltage (up to 12V)
Output voltage accuracy: tolerance ±3%
Low dropout voltage
Package form:SOT-23,SOT-89,TO-92

Applications

Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for LAN cards
Wireless Communication equipment
Audio/Video equipment

Low Power Consumption LDO

Electrical Characteristics

(TA=25°C, voltages are referenced to GND, unless otherwise specified)

Parameter	Symbol	Conditions	Min	Typ	Max	Units
Output Voltage	V OUT	V IN =3.5V, I OUT =40mA	2.425	2.5	2.575	V
Output Current	I OUT	V IN =3.5V, I OUT ≥2.25V	180			mA
Load Regulation	ΔV OUT	V IN =3.5V, 1mA≤I OUT ≤60mA		45	90	mV
Drop Voltage	V DIF	I OUT =40mA		110		mV
Quiescent Current	I SS	V IN =3.5V, No Load		2	3	μA
Line Regulation	ΔV OUT /(ΔV IN *V OUT )	3.5V≤V IN ≤12V, I OUT =40mA		0.2	0.3	%/V
Input Voltage	V IN				12	V
Temperature Coefficient	ΔV OUT /ΔT A	V IN =3.5V,I OUT =40mA,0°C≤T A ≤85°C		±0.7		mV/°C

Low Power Consumption LDO

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage Range	V IN	-0.5	15	V
Consumption power	P D	-	400	mW
Junction Temperature	T J	-50	125	°C
Operating Temperature	T OP	-25	70	°C

Absolute maximum ratings are those values beyond which the device could be permanently damaged,These are stress ratings only,which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions.

Typical Application

Low Power Consumption LDO

Package Information

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
HT7325-A	UMW	SOT-23
HT7327-A	UMW	—
HT7330-A	UMW	—
HT7333-A	UMW	—
HT7336-A	UMW	—
HT7340-A	UMW	—
HT7344-A	UMW	—
HT7350-A	UMW	—
HT73XX-A	UMW	—

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